APA (7th ed.) Citation

Mars, R., & Drucker, M. (2005). The basics of permaculture design. Chelsea Green Publishing Company.

Chicago Style (17th ed.) Citation

Mars, Ross, and Martin Drucker. The Basics of Permaculture Design. White River Junction, VT: Chelsea Green Publishing Company, 2005.

MLA (9th ed.) Citation

Mars, Ross, and Martin Drucker. The Basics of Permaculture Design. Chelsea Green Publishing Company, 2005.